Chp 10 The Eye

Question 1

aque/o

Answer 1

water

Question 2

blephar/o

Answer 2

eyelid

Question 3

conjunctiv/o

Answer 3

conjunctiva (to join together)

Question 4

corne/o

Answer 4

cornea

Question 5

cycl/o

Answer 5

circle, ciliary body

Question 6

ir/o

Answer 6

colored circle, iris

Question 7

lacrim/o

Answer 7

tear

Question 8

ocul/o, ophthalm/o, opt/o

Answer 8

eye

Question 9

phac/o

Answer 9

lens (lentil)

Question 10

phot/o

Answer 10

light

Question 11

presby/o

Answer 11

old age

Question 12

retin/o

Answer 12

retina

Question 13

scler/o

Answer 13

hard or sclera

Question 14

vitre/o

Answer 14

glassy

Question 15

-opia

Answer 15

condition of vision

Question 16

conjunctiva

Answer 16

mucous membrane that lines the eyelids and outer surface of the eyeball

Question 17

ciliary muscle

Answer 17

smooth muscle portion of the ciliary body, which contracts to assist in near vision

Question 18

palpebra

Answer 18

eyelid; movable, protective fold that opens and closes, covering the eye

Question 19

diplopia

Answer 19

double vision

Question 20

lacrimation

Answer 20

secretion of tears

Question 21

nystagmus

Answer 21

involuntary, rapid, oscillating movement of the eyeball (nystagmos = a nodding)

Question 22

scotoma

Answer 22

blind spot in vision (skotos = darkness)

Question 23

hyperopia

Answer 23

farsightedness; difficulty seeing close objects when light rays are focused on a point behind the retina

Question 24

myopia

Answer 24

nearsightedness; difficulty seeing distant objects when light rays are focused on a point in front of the retina

Question 25

presbyopia

Answer 25

impaired vision caused by old age or loss of accommodation

Question 26

blepharitis

Answer 26

inflammation of the eyelid

Question 27

ptosis

Answer 27

drooping of the eyelid; usually caused by paralysis

Question 28

cataract

Answer 28

opaque clouding of the lens causing decreased vision

Question 29

conjunctivitis

Answer 29

pinkeye; inflammation of the conjunctiva

Question 30

glaucoma

Answer 30

group of diseases of the eye characterized by increased intraocular pressure that results in damage to the optic nerve, producing defects in vision

Question 31

macular degeneration

Answer 31

breakdown or thinning of the tissues in the macula, resulting in partial or complete loss of central vision

Question 32

fundus

Answer 32

interior surface of the eyeball, including the retina, optic disk, macula, and posterior pole (curvature at the back of the eye) (fundus = base)

Question 33

lacrimal gland

Answer 33

gland located in the upper outer region above the eyeball that secretes tears

Question 34

macula (macula lutea)

Answer 34

central region of the retina; responsible for central vision; yellow pigment provides its color (lutea = yellow)

Question 35

strabismus

Answer 35

a condition of eye misalignment caused by intraocular muscle imbalance (strabismus = a squinting; hetero = other)

Question 36

esotropia

Answer 36

right or left eye deviates inward, toward nose (eso = inward; tropo = turning)

Question 37

exotropia

Answer 37

right or left eye deviates outward, away from nose (exo = out; tropo = turning)

Question 38

kerat/o

Answer 38

cornea

Question 39

irid/o

Answer 39

colored circle, iris

Question 40

dacry/o

Answer 40

tear

Question 41

phak/o

Answer 41

lens (lentil)